Cisco CCNP SWITCH Implementing a Highly Available Network

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Cisco CCNP SWITCH Creating HA and Redundancy

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Key differences between HSRP and VRRP are that VRRP uses the physical address of the primary router as the gateway whereas HSRP uses a virtual address.  Both protocols have one primary router at a time.

GLBP allows for load balancing across multiple routers simultaneously.


Cisco CCNP SWITCH Optimal Redundancy

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Cisco CCNP SWITCH Provide Alternate Paths

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Cisco CCNP SWITCH Avoid Too Much Redundancy

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Cisco CCNP SWITCH Avoid Single Points of Failure

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Cisco CCNP SWITCH Cisco NSF with SSO

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Cisco CCNP SWITCH Routing Protocol Requirements for Cisco NSF

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Cisco CCNP SWITCH Syslog Features

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Cisco CCNP SWITCH Cisco Syslog Message Standard

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Cisco CCNP SWITCH Example: Syslog Messages

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Cisco CCNP SWITCH System Log Configuration

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Configuring logging to be sent to a syslog server is very easy.  Use the logging command to identify the ip address of the syslog server.  Use the logging trap command to set the level of logging (0 – 7).


Cisco CCNP SWITCH SNMP Overview

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Cisco CCNP SWITCH About SNMPv2

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Cisco CCNP SWITCH About SNMPv3

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Cisco CCNP SWITCH SNMP Recommendations

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Cisco CCNP SWITCH SNMP Configuration

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The access list implemented allows any host on the 10.1.1.0/24 network to poll for SNMP requests.  The Read Only community string is set to “cisco” while the Read Write community string is set to “xyz123”.  SNMP Traps will be sent to 10.1.1.50.